| Day | Rate | Set date |
|---|---|---|
| 1 December | 19.5100 | .. |
| 2 December | 19.4500 | .. |
| 3 December | 19.0800 | .. |
| 4 December | 18.9400 | .. |
| 7 December | 19.1800 | .. |
| 8 December | 18.8400 | .. |
| 9 December | 18.8400 | .. |
| 10 December | 19.2800 | .. |
| 11 December | 19.0900 | .. |
| 14 December | 19.0900 | .. |
| 15 December | 18.9500 | .. |
| 16 December | 19.4100 | .. |
| 17 December | 19.7000 | .. |
| 18 December | 19.8300 | .. |
| 21 December | 19.8300 | .. |
| 22 December | 19.8400 | .. |
| 23 December | 19.9500 | .. |
| 28 December | 19.8200 | .. |
| 29 December | 19.6400 | .. |
| 30 December | 19.5900 | .. |
| 31 December | 19.5000 | .. |